window.onload = function()
{
	menu = document.getElementById("navigation").getElementsByTagName("ul")[0].getElementsByTagName("a");
	for(x=0;x<menu.length;x++)
	{
		menu[x].start=x;
		menu[x].end=menu.length;
		menu[x].onmouseover = function()
		{
			for(y=this.start;y<this.end;y++)
				document.getElementById("navigation").getElementsByTagName("ul")[0].getElementsByTagName("a")[y].className = "hover";
		}
		menu[x].onmouseout = function()
		{
			for(y=0;y<this.end;y++)
				document.getElementById("navigation").getElementsByTagName("ul")[0].getElementsByTagName("a")[y].className = null;
		}
	}
}